Synthesis and Characterization of Novel Linked Clusters

Chem. J. Chinese Universities ›› 2002, Vol. 23 ›› Issue (8): 1515.

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Synthesis and Characterization of Novel Linked Clusters

ZHANG Yu-Hua¹, LI Qing-Shan¹, XIA Chun-Gu¹, YIN Yuan-Qi¹, ZHOU Zhong-Yuan²

1. State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China;
2. Department of Applied Biology&Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, China

Received:2001-05-18 Online:2002-08-24 Published:2002-08-24

Abstract

Abstract: The reactions of (μ₃ CCO₂Et)Co₃(CO)₉ with [Mo(CO)₃ (η⁵ C₅H₄R)] - [R=Hor C(O)Me] gave rise to the formation of (μ₃ CCO₂Et)Co₂Mo(CO)₈ (η⁵ C₅H₄R) (1), C(O)Me(2)]. The further reaction of cluster 1 or 2. The further reaction of cluster 1 or 2 with {(M(CO)₃[ η⁵ C₅H₄C(O)]}₂1, 4 C₆H₄ yielded four linked clusters { (μ₃ CCO₂Et)CoMoM(CO)₇ (η⁵ C₅H₄R)[ η⁵ C₅H₄C(O)]}₂1, 4 C₆H₄ [M=Mo, R=H[STHZ](3); M=Mo, R=C(O)Me(4); M=W, R=H(5); M=W, R=C(O)Me(6)].. All these clusters were characterized by C/Hanalyses, IRand ¹H NMR. The crystal structure of cluster 2 was determined by single crystal X-ray diffraction method. The crystal belongs to monoclinic system with space group, C₂/c and lattice parameters, a=1.1264(3) nm, b=1.1879(3) nm, c=3.3565(10) nm, β =93.320(5)°, V=4.484(2) nm³, Z=8, D_c=1.867 g·cm^-3, F(000)=2480, R=0.0369, wR= 0.1150.

Key words: Synthesis, Crystal structure, Cluster, Molybdenium, Metal exchange reaction

CLC Number:

O641

TrendMD:

ZHANG Yu-Hua, LI Qing-Shan, XIA Chun-Gu, YIN Yuan-Qi, ZHOU Zhong-Yuan. Synthesis and Characterization of Novel Linked Clusters[J]. Chem. J. Chinese Universities, 2002, 23(8): 1515.

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Synthesis and Characterization of Novel Linked Clusters

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